Ossat Naturals Smoothing Shampoo. Nourish and rejuvenate your mane with a luxurious, hydrating cleanser. Soothing Shampoo from OSSAT gently removes residue without stripping your hair of its natural oils. Infused with a unique blend of plant protein and five nutrient-rich oils, this formula adds bounce and softness while repairing dry or damaged hair. Formulated for coils, curls, kinks, and waves.